7.4 sec in total
1.9 sec
5 sec
436 ms
Visit opencast.org now to see the best up-to-date Opencast content for United States and also check out these interesting facts you probably never knew about opencast.org
Open Source Video Management Opencast is a flexible, reliable, and scalable open source video management system for academic institutions, built by a community of developers from leading universities ...
Visit opencast.orgWe analyzed Opencast.org page load time and found that the first response time was 1.9 sec and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
opencast.org performance score
name
value
score
weighting
Value2.7 s
62/100
10%
Value3.6 s
61/100
25%
Value2.7 s
97/100
10%
Value220 ms
87/100
30%
Value0.064
97/100
15%
Value4.4 s
84/100
10%
1931 ms
308 ms
209 ms
503 ms
25 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that 58% of them (19 requests) were addressed to the original Opencast.org, 18% (6 requests) were made to Opencast.uni-osnabrueck.de and 15% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Opencast.org.
Page size can be reduced by 797.9 kB (46%)
1.7 MB
943.3 kB
In fact, the total size of Opencast.org main page is 1.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Images take 811.0 kB which makes up the majority of the site volume.
Potential reduce by 21.3 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 21.3 kB or 76% of the original size.
Potential reduce by 27.3 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Opencast images are well optimized though.
Potential reduce by 200.9 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 200.9 kB or 69% of the original size.
Potential reduce by 548.4 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Opencast.org needs all CSS files to be minified and compressed as it can save up to 548.4 kB or 90% of the original size.
Number of requests can be reduced by 14 (52%)
27
13
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Opencast. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
www.opencast.org
1931 ms
wp-emoji-release.min.js
308 ms
page-list.css
209 ms
integrity-light.css
503 ms
css
25 ms
js_composer.css
996 ms
jquery.js
499 ms
jquery-migrate.min.js
282 ms
x-head.min.js
406 ms
x-shortcodes-head.min.js
578 ms
espresslabs-theme.css
77 ms
jquery.form.min.js
443 ms
scripts.js
532 ms
x-body.min.js
722 ms
comment-reply.min.js
625 ms
x-shortcodes-body.min.js
827 ms
js_composer_front.js
802 ms
opencast.png
101 ms
schedule.png
811 ms
homepage-feature-image.jpg
624 ms
opencast-homepage-logos-rev2-1024x286.png
622 ms
software-feature-image.jpg
435 ms
edit.png
805 ms
events.png
803 ms
distribute.png
805 ms
playback.png
805 ms
manage.png
803 ms
erE3KsIWUumgD1j_Ca-V-6CWcynf_cDxXwCLxiixG1c.ttf
13 ms
PIbvSEyHEdL91QLOQRnZ19qQynqKV_9Plp7mupa0S4g.ttf
18 ms
DXI1ORHCpsQm3Vp6mXoaTdqQynqKV_9Plp7mupa0S4g.ttf
30 ms
zpv3sOKAbMf4wff105oLjw.ttf
29 ms
4GwpJM7qx9X5Obd9KsnKxQ.ttf
30 ms
fontawesome-webfont.woff
399 ms
opencast.org accessibility score
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Links do not have a discernible name
opencast.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
opencast.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opencast.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Opencast.org main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
opencast.org
Open Graph data is detected on the main page of Opencast. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: